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Shallow seismic damage and structural inheritance at the onset of faulting
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DOI:10.1016/j.epsl.2026.120251.png)
Abstract
En 中文
• Microstructures of incipient faulting and microseismic damage are preserved in the Bedretto tunnel (Switzerland). • Mylonitic foliation promotes along-strike rupture propagation and restricts the extent of seismic damage. • Pulverization and grain-boundary splitting within the mylonite acts as a seismic energy sink. • Shallow seismic damage in anisotropic rocks may mimic structures typical of more mature faults.
Keywords:
Fault
Earthquake
Inheritance
Pulverisation
Seismic
Mylonite
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